Shaler, N. S. Outlines of the Earth's History: A Popular Study in Physiography.
Chicago Style (17th ed.) CitationShaler, Nathaniel Southgate. Outlines of the Earth's History: A Popular Study in Physiography.
MLA (9th ed.) CitationShaler, Nathaniel Southgate. Outlines of the Earth's History: A Popular Study in Physiography.
Warning: These citations may not always be 100% accurate.